condition mean min max ZT0-3 0.07844419999999999 0.07844419999999999 0.07844419999999999 ZT4-7 0.06297235000000001 0.06297235000000001 0.06297235000000001 ZT8-11 0.1309254 0.1309254 0.1309254 ZT12-15 0.166165 0.166165 0.166165 ZT16-19 0.367187 0.367187 0.367187 ZT20-23 0.14513700000000002 0.14513700000000002 0.14513700000000002